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- W3151277894 abstract "抗氧化剂酶活动和 malondialdehyde (MDA ) Cephalothrix 满足 hongkongiensis 被学习在重金属应力下面在 nemerteans 的生物化学 / 生理的参数估计变化。蠕虫暴露于铜,在不同集中的锌和镉答案,和三抗氧化剂酶,过氧化氢酶(猫) , superoxide dismutase (草皮) ,和谷胱甘肽 peroxidase (GPX ) 的活动,并且 MDA 内容被测量。结果证明每酶的活动在暴露以后立即改变了到重金属。当 SOD 活动被暴露显著地为 48 h 提高到 Cu2+ 时,猫总是在整个试验性的时期被禁止,但是然后减少了。草皮被 Zn2+during 禁止暴露的开始的 12 h,但是当为更长的时期暴露了时,激活。在 Cd2+ 应力下面,草皮活动在 72 h 以内减少了。GPX 活动极大地变化了,被 Cu2+ 和 Zn2+ 显著地增加,但是显著地由在开始的 12 鈥 ? 的 Cd2+ 禁止了在暴露以后的 4 h。MDA 内容在 Cu2+ 暴露上增加了,但是通常在 Zn2+ 暴露上减少了。MDA 内容在 Cd2+ 应力下面跟随了一个 increase-decrease-increase 模式。在结论,这 nemertean 的抗氧化剂系统对重金属敏感,并且它的猫活动可以是为在环境监视重金属层次的潜在的 biomarker。关键词 Cephalothrix hongkongiensis - 过氧化氢酶 - superoxide dismutase - 谷胱甘肽 peroxidase - malondialdehyde - 重金属由中国(号码 30270235 ) 的国家自然科学基础支持了" @default.
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- W3151277894 date "2010-01-01" @default.
- W3151277894 modified "2023-09-24" @default.
- W3151277894 title "Variations of antioxidant enzyme activity and malondialdehyde content in nemertean Cephalothrix hongkongiensis after exposure to heavy metals" @default.
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